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Environment Agency013WACNBHGtr Mancs Mersey and Ches

Irish Sea from New Brighton to Hoylake: flood history since 2014

The Environment Agency has issued 16 flood alerts for Irish Sea from New Brighton to Hoylake since 9 Dec 2014, most often in March; the busiest year was 2020 (3).

Flood alerts only

The flood area

Flood area
Irish Sea from New Brighton to Hoylake
Code
013WACNBH
Environment Agency area
Gtr Mancs Mersey and Ches
County
Wirral
River or sea
Irish Sea
First in the history
9 Dec 2014
Latest in the history file
4 Apr 2026
Current status
check-for-flooding.service.gov.uk (the Environment Agency's live page)

Flood alert, flood warning, severe flood warning: what each means

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

How many alerts and warnings a year?

2020 was the busiest year for Irish Sea from New Brighton to Hoylake
1232014: 220142018: 220182020: 320202021: 220212022: 120222023: 220232024: 320242026: 120262026 to June1232014: 220142018: 220182020: 320202021: 220212022: 120222023: 220232024: 320242026: 120262026 to June1232014: 220142018: 220182020: 320202021: 220212022: 120222023: 220232024: 320242026: 120262026 to June1232014: 220142018: 22020: 320202021: 22022: 120222023: 22024: 32026: 120262026 to June

Flood alerts, flood warnings and severe flood warnings (updates not counted), by year. 2026 runs to the end of June.

The numbers
YearAlertsWarningsSevere
2026100
2024300
2023200
2022100
2021200
2020300
2018200
2014200

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

When in the year?

Most often in March
123Jan: 1JanFeb: 2FebMar: 3MarApr: 2AprMay: 0MayJun: 1JunJul: 0JulAug: 1AugSep: 0SepOct: 1OctNov: 2NovDec: 3Dec3123Jan: 1JanFeb: 2FebMar: 3MarApr: 2AprMay: 0MayJun: 1JunJul: 0JulAug: 1AugSep: 0SepOct: 1OctNov: 2NovDec: 3Dec3123Jan: 1JanFeb: 2FebMar: 3MarApr: 2AprMay: 0MayJun: 1JunJul: 0JulAug: 1AugSep: 0SepOct: 1OctNov: 2NovDec: 3Dec3123Jan: 1JFeb: 2FMar: 3MApr: 2AMay: 0MJun: 1JJul: 0JAug: 1ASep: 0SOct: 1ONov: 2NDec: 3D3

All alerts and warnings since 2014 by month.

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

Before July 2026: the latest in the history file

DateLevel
4 Apr 2026Flood alert
20 Oct 2024Flood alert
20 Aug 2024Flood alert
9 Apr 2024Flood alert
12 Nov 2023Flood alert
24 Mar 2023Flood alert
17 Feb 2022Flood alert
7 Dec 2021Flood alert
6 Nov 2021Flood alert
12 Mar 2020Flood alert
11 Mar 2020Flood alert
9 Feb 2020Flood alert

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.